Curtain wall support frame embedded steel shoe column foot

Abstract

The application discloses a curtain wall support frame pre-buried steel shoe column foot, and relates to the technical field of curtain wall installation and construction, which comprises a bottom shoe beam and a concrete structure beam. A longitudinal reinforcement is arranged in the concrete structure beam. A steel corbel is fixedly connected to the longitudinal reinforcement. The steel corbel is fixedly connected with the bottom shoe beam. A support frame vertical rod is fixedly welded to the upper end of the bottom shoe beam. The lower end of the support frame vertical rod is fixedly welded with the bottom shoe beam. The upper part of the support frame vertical rod penetrates through the concrete structure beam. The outer end of the support frame vertical rod extending out of the concrete structure beam is fixedly welded with an upwardly-inclined support frame inclined strut. Pouring holes for pouring concrete are arranged on the bottom shoe beam and the support frame vertical rod. The application can increase the stress area of a single curtain wall support frame, reduce the number of curtain wall support frames, and increase the height of the curtain wall. Meanwhile, the embedded part can be integrally formed with the original concrete by one-time pouring, so that the pre-buried column foot with the two vertical rod connecting points always in one plane is ensured, and the problem of late installation and adjustment is avoided.

Description

Technical Field

[0001] This invention relates to the field of curtain wall installation and construction technology, specifically to a curtain wall support frame with pre-embedded steel shoe column feet. Background Technology

[0002] Traditional curtain wall support frame embedded parts use two separate embedded plates as supports connecting to the superstructure. The tensile force on the embedded parts is transmitted through anchor bolts, resulting in limited pull-out resistance. The size of the embedded parts is greatly affected by the number of anchor bolts. As architectural designs become increasingly innovative, the height of curtain wall structures above the roof is also increasing. As the most important part of the supporting structure, the reliability of the column base is particularly important. Traditional column base supports have limited pull-out resistance, and under the influence of large tensile forces, the anchor bolts are easily pulled out. This often limits the height and spacing of the curtain wall support structure. Furthermore, the dispersed embedded parts are prone to misalignment during construction, leading to misalignment of the embedded plates and making subsequent installation and adjustment difficult.

[0003] To address the aforementioned issues and considering the stress characteristics of the project's curtain wall support frame, it is necessary to develop an embedded component that can accommodate taller curtain wall support frames, providing more constrained supports, strengthening column base anchorage, and withstanding greater axial and shear forces to ensure the stability of the curtain wall support frame. This would increase the load-bearing area of ​​a single curtain wall support frame, reducing the number of supports required, and allowing for greater curtain wall cantilever heights. Furthermore, this embedded component can be integrally formed with the existing concrete pouring, ensuring that the connection points of the two vertical members are always on the same plane, avoiding problems with later installation adjustments. Summary of the Invention

[0004] The purpose of this invention is to provide a pre-embedded steel shoe column base for a curtain wall support frame, so as to meet the use of taller curtain wall support frames, provide them with more constrained supports, strengthen the anchorage of the column base, and ensure the stability of the curtain wall support frame.

[0005] The objective of this invention can be achieved through the following technical solutions:

[0006] A curtain wall support frame with embedded steel boot column feet includes a bottom boot beam and a concrete structural beam. The concrete structural beam has longitudinal reinforcement bars inside, and steel brackets are fixedly connected to the longitudinal reinforcement bars. The steel brackets are fixedly connected to the bottom boot beam. A support frame vertical rod is fixedly welded to the upper end of the bottom boot beam. The lower end of the support frame vertical rod is welded to the bottom boot beam. The upper part of the support frame vertical rod passes through the concrete structural beam. An upwardly inclined support frame brace is fixedly welded to the outer end of the support frame vertical rod extending out of the concrete structural beam. Both the bottom boot beam and the support frame vertical rod are provided with pouring holes for pouring concrete.

[0007] As a further embodiment of the present invention: the bottom boot beam includes an upper flange and a lower flange, the upper flange and the lower flange are fixedly connected by vertical stiffening ribs to form a type II cross-section beam, a T-shaped tie beam is fixedly welded to the upper end of the upper flange, and the upper end of the T-shaped tie beam is fixedly welded to the steel bracket.

[0008] As a further aspect of the present invention: a plurality of screw holes for installing studs are evenly provided on the upper and lower flanges, and the plurality of screw holes are symmetrically divided into two groups with the vertical stiffening rib as the center, and the studs are bonded to the concrete.

[0009] As a further embodiment of the present invention: an outer ring plate is fixedly provided on the outer periphery of the vertical rod of the support frame, and the outer ring plate is fixedly connected to the interface at the top of the concrete structure beam.

[0010] As a further aspect of the present invention, the thickness of the steel plate is increased at the part of the vertical rod of the support frame below the diagonal brace of the support frame.

[0011] As a further aspect of the present invention: a stiffening rib is fixedly provided inside the vertical rod of the support frame, and the stiffening rib is located at the connection between the diagonal brace of the support frame and the vertical rod of the support frame.

[0012] The beneficial effects of this invention are:

[0013] (1) This invention sets a bottom boot beam at the bottom of the support frame vertical rod, and welds it to the longitudinal reinforcement of the concrete structural beam through steel brackets, and combines it with the concrete through studs, so that the root of the support frame vertical rod, the bottom boot beam and the concrete structural beam form an integral whole. This column foot provides more constraint force for the curtain wall support frame, strengthens the anchoring force of the column foot, and can withstand greater axial force and shear force, ensuring the stability of the curtain wall support frame, thereby affecting the design of the curtain wall. On the one hand, it can increase the load-bearing area of ​​a single curtain wall support frame and reduce the number of curtain wall support frames. On the other hand, the curtain wall can be suspended at a higher height. At the same time, this embedded part can be cast in one piece with the original concrete to form an integral whole, ensuring that the pre-embedded column foot of the connection point of the two vertical rods is always in the same plane, avoiding the problem of later installation and adjustment.

[0014] (2) A bottom boot beam is set at the bottom by means of the support frame vertical rod, and the steel bracket is welded to the longitudinal reinforcement of the concrete structure beam, and the base boot beam is combined with the concrete structure beam by means of the studs, so that the base boot beam and the concrete structure beam form an integral whole, and together form the anchor support of the curtain wall support frame.

[0015] (3) The present invention reduces on-site welding by setting a T-shaped tie beam on the bottom boot beam between the vertical members of the support frame to replace the top longitudinal reinforcement of the concrete structural beam in this range, thereby avoiding the difficulty of welding steel bars in narrow spaces and ensuring construction quality.

[0016] (4) The present invention extends the seepage path and improves the waterproof performance of the interface between different materials by setting an outer ring plate at the junction of the support frame vertical rod and the top surface of the concrete structure beam, thereby ensuring the durability of the column base structure.

[0017] (5) By setting casting holes on the upper and lower flanges of the base shoe beam, the present invention reduces the amount of steel used, reduces the self-weight of the component, and most importantly, facilitates the casting of concrete structural beams and ensures the density of the casting.

[0018] (6) The present invention connects the two vertical rods of the support frame through the base boot beam. The base boot beam is a type II cross-section beam composed of an upper flange, a lower flange and vertical stiffening ribs, thereby improving the stability of the boot beam and expanding the contact area between the concrete and the steel boot beam to ensure a tight bond with the concrete beam.

[0019] (7) The present invention improves the shear resistance of the support frame vertical rod root by thickening the steel plate of the support frame vertical rod below the diagonal brace, and improves the stability of the support frame vertical rod root by setting stiffening ribs at the beginning and end of the diagonal brace section of the support frame. Attached Figure Description

[0020] The invention will now be further described with reference to the accompanying drawings.

[0021] Figure 1 This is a top view schematic diagram of the pre-embedded steel shoe column foot of a curtain wall support frame according to the present invention;

[0022] Figure 2 This is the present invention. Figure 1 Schematic diagram of the cross-sectional structure along the AA direction;

[0023] Figure 3 This is the present invention. Figure 1 Schematic diagram of the cross-sectional structure in the middle BB direction;

[0024] Figure 4 This is the present invention. Figure 1 A schematic diagram of the cross-sectional structure along the CC direction.

[0025] In the diagram: 1. Bottom boot beam; 2. Outer ring plate; 3. Stud; 4. Stiffening rib; 5. Steel bracket; 6. Support frame diagonal brace; 7. Pouring hole; 8. Support frame vertical rod; 9. Concrete structural beam; 11. Vertical stiffening rib; 12. Upper flange; 13. Lower flange; 14. T-shaped tie beam. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Please see Figures 1-4 As shown, this invention relates to a pre-embedded steel boot column foot for a curtain wall support frame, comprising a bottom boot beam 1 and a concrete structural beam 9. The concrete structural beam 9 has longitudinal reinforcement bars inside, and steel brackets 5 are fixedly connected to the longitudinal reinforcement bars. The steel brackets 5 are fixedly connected to the bottom boot beam 1. A support frame vertical rod 8 is fixedly welded to the upper end of the bottom boot beam 1, and the lower end of the support frame vertical rod 8 is welded and fixed to the bottom boot beam 1. The upper part of the support frame vertical rod 8 penetrates the concrete structural beam 9, and an upwardly inclined support frame brace 6 is fixedly welded to the outer end of the support frame vertical rod 8 extending from the concrete structural beam 9. Both the bottom boot beam 1 and the support frame vertical rod 8 are provided with pouring holes 7 for pouring concrete. The bottom boot beam 1 includes an upper flange 12 and a lower flange 13, which are fixedly connected by vertical stiffeners 11 to form a type II cross-section beam. A T-shaped tie beam 14 is fixedly welded to the upper end of the upper flange 12, and the upper end of the T-shaped tie beam 14 is fixedly welded to the steel bracket 5. The upper flange 12 and lower flange 13 are evenly provided with a number of screw holes for installing studs 3. The screw holes are symmetrically divided into two groups with the vertical stiffening rib 11 as the center. The studs 3 are bonded to the concrete. An outer ring plate 2 is fixedly installed on the outer periphery of the support frame vertical rod 8. The outer ring plate 2 is fixedly connected to the interface at the top of the concrete structural beam 9. The steel plate thickness of the support frame vertical rod 8 increases below the support frame diagonal brace 6. A stiffening rib 4 is fixedly installed inside the support frame vertical rod 8. The stiffening rib 4 is located at the connection between the support frame diagonal brace 6 and the support frame vertical rod 8.

[0028] A bottom boot beam 1 is installed at the bottom of the support frame vertical rod 8, and is welded to the longitudinal reinforcement of the concrete structural beam 9 through steel brackets 5 and combined with concrete through studs 3. This makes the base of the support frame vertical rod 8, the bottom boot beam, and the concrete structural beam 9 form an integral whole. This column base provides more constraint force for the curtain wall support frame, strengthens the anchoring force of the column base, and can withstand greater axial force and shear force, ensuring the stability of the curtain wall support frame. This affects the design of the curtain wall. On the one hand, it can increase the load-bearing area of ​​a single curtain wall support frame and reduce the number of curtain wall support frames. On the other hand, the curtain wall can be suspended at a higher height. At the same time, this embedded part can be cast in one piece with the original concrete to form an integral whole, ensuring that the connection point of the two vertical rods is always in the same plane. This avoids problems with later installation and adjustment.

[0029] Reference Figures 1-4As shown in this embodiment, a pre-embedded steel shoe column base for a curtain wall support frame addresses the limitation of traditional embedded parts as supports in terms of constraint reaction force, which fails to meet the bending and shear resistance requirements of ultra-high curtain wall embedded parts. Using YJK software, a stress analysis of the ultra-high curtain wall support frame is performed. Assuming the column base is rigidly connected, under wind load, the curtain wall support frame members are primarily subjected to axial force, which is extremely large. Under horizontal load, the steel members deform, resulting in partial bending moments. If the column base anchorage is insufficient and cannot provide enough bending moments, the entire support frame structure will become unstable. To ensure sufficient reliability of the curtain wall support frame column base and meet the axial force requirements of the support frame, the pre-embedded steel shoe column base of this invention is used.

[0030] Reference Figures 1-4 As shown in this embodiment, a curtain wall support frame has a pre-embedded steel boot column base. The support frame vertical rod 8 has a bottom boot beam 1 at its bottom, which is welded to the longitudinal reinforcement of the concrete structural beam 9 via steel brackets 5 and combined with concrete via studs 3. This makes the bottom boot beam and the concrete structural beam 9 form an integral whole, together forming the anchorage of the curtain wall support frame. A T-shaped tie beam 14 is installed on the bottom boot beam 1 between the support frame vertical rods 8, replacing the top longitudinal reinforcement of the concrete structural beam 9 within this range. This reduces on-site welding, avoids the difficulties of welding reinforcement in narrow spaces, and ensures construction quality. An outer ring plate 2 is installed at the junction of the support frame vertical rod 8 and the top surface of the concrete structural beam 9 to extend the seepage path and improve the connection between different materials. The waterproof performance of the surface ensures the durability of the column base structure. The bottom boot beam 1 is a type II cross-section beam composed of an upper flange 12, a lower flange 13, and vertical stiffening ribs 11, which improves the stability of the boot beam and expands the contact area between the concrete and the steel boot beam to ensure a tight bond with the concrete beam. Both the upper flange 12 and the lower flange 13 of the boot beam are provided with pouring holes 7 to reduce the amount of steel used and reduce the self-weight of the component. More importantly, it facilitates the pouring of the concrete structural beam 9 and ensures the compactness of the pouring. The thickness of the plate at the root of the support frame vertical rod 8 is increased to improve the shear resistance of the root of the support frame vertical rod 8. Stiffening ribs 4 are set at the beginning and end of the support frame diagonal brace 6 to improve the stability of the root of the support frame vertical rod 8.

[0031] The above construction method is simple in procedure, easy to operate, highly applicable, and efficient in construction. It ensures good quality of the inclined cylindrical construction. The various devices are connected by connecting bolts, which makes the operation simple and easy to disassemble. The formwork can be erected quickly, with low labor requirements and reusability.

[0032] The foregoing has provided a detailed description of one embodiment of the present invention, but this description is merely a preferred embodiment and should not be construed as limiting the scope of the invention. All equivalent variations and modifications made within the scope of the claims of this invention should still fall within the patent coverage of this invention.

Claims

1. A type of curtain wall support frame with pre-embedded steel shoe column base, characterized in that, Includes a bottom boot beam (1) and a concrete structural beam (9). The concrete structural beam (9) is provided with longitudinal reinforcement. A steel bracket (5) is fixedly connected to the longitudinal reinforcement. The steel bracket (5) is fixedly connected to the bottom boot beam (1). A support frame vertical rod (8) is fixedly welded to the upper end of the bottom boot beam (1). The lower end of the support frame vertical rod (8) is welded to the bottom boot beam (1). The upper part of the support frame vertical rod (8) passes through the concrete structural beam (9). An inclined support frame diagonal brace (6) is fixedly welded to the outer end of the support frame vertical rod (8) extending out of the concrete structural beam (9). Both the bottom boot beam (1) and the support frame vertical rod (8) are provided with pouring holes (7) for pouring concrete. The bottom boot beam (1) includes an upper flange (12) and a lower flange (13). The upper flange (12) and the lower flange (13) are fixedly connected by vertical stiffening ribs (11) to form a type II cross-section beam. A T-shaped tie beam (14) is fixedly welded to the upper end of the upper flange (12). The upper end of the T-shaped tie beam (14) is fixedly welded to the steel bracket (5).

2. The curtain wall support frame with embedded steel shoe column base according to claim 1, characterized in that, The upper flange (12) and lower flange (13) are evenly provided with a number of screw holes for installing studs (3). The screw holes are symmetrically divided into two groups with the vertical stiffening rib (11) as the center. The studs (3) are combined with concrete.

3. The curtain wall support frame with embedded steel shoe column base according to claim 1, characterized in that, The support frame vertical rod (8) is fixedly provided with an outer ring plate (2) on its outer periphery, and the outer ring plate (2) is fixedly connected to the interface at the top of the concrete structure beam (9).

4. The curtain wall support frame with embedded steel shoe column base according to claim 1, characterized in that, The thickness of the steel plate increases at the part of the vertical rod (8) of the support frame below the diagonal brace (6) of the support frame.

5. The curtain wall support frame with embedded steel shoe column base according to claim 1, characterized in that, The support frame vertical rod (8) is fixedly provided with a stiffening rib (4), which is located at the connection between the support frame diagonal brace (6) and the support frame vertical rod (8).

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